1122004 has 12 divisors (see below), whose sum is σ = 2114644. Its totient is φ = 517824.

The previous prime is 1122001. The next prime is 1122029. The reversal of 1122004 is 4002211.

It can be written as a sum of positive squares in 2 ways, for example, as 559504 + 562500 = 748^2 + 750^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10737 + ... + 10840.

2^1122004 is an apocalyptic number.

It is an amenable number.

1122004 is a deficient number, since it is larger than the sum of its proper divisors (992640).

1122004 is a wasteful number, since it uses less digits than its factorization.

1122004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21594 (or 21592 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1122004 is about 1059.2469022848. The cubic root of 1122004 is about 103.9117841683.

Adding to 1122004 its reverse (4002211), we get a palindrome (5124215).

It can be divided in two parts, 112 and 2004, that added together give a square (2116 = 46²).

The spelling of 1122004 in words is "one million, one hundred twenty-two thousand, four".